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Rain-Wind-Induced Vibration Control for Long Span Transmission Tower

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Abstract:

In this paper, multiple tuned liquid dampers control for rain-wind-induced response of long span transmission tower is investigated. Equations of motion for a structure-TLD system are derived. According to the mechanism of vibration control, rain-wind-induced vibration control for tower model with multiple tuned liquid dampers is carried out by using numerical simulation. Three-dimensional finite element model of tower based on a real project is established. Rain-wind load time history is simulated based on wind and rain theory. Time history curves and the maximum responses without and with tuned liquid damper under rain-wind excitation are analyzed and discussed. The results show that the tuned liquid damper could decrease the rain-wind-induced response of long span transmission tower, and the device could be installed in tower when the response too large.

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Periodical:

Applied Mechanics and Materials (Volume 160)

Pages:

240-244

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.160.240

Citation:

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Online since:

March 2012

Authors:

Li Tian, Shu Jin, Zi Long Wang

Keywords:

Long Span Transmission Tower, Multiple Tuned Liquid Damper, Numerical Simulation, Rain-Wind Induced Vibration Control

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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